Holley Parts and Accessories

Data Acquisition, Holley EFI, Single-channel, CAN EGT, Stainless Bung, Probe, 60 in. Harness, Pre-terminated Connector, Non-Holley Installations, Kit

Part Number: HLY-554-188A

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Idler Pulleys, Holley, Replacement, Tensioner Assembly, Serpentine, Smooth Pulley, Black, Composite, for LT4 Accessory Drive Systems, GM, 6.2L, Each

Part Number: HLY-97-244

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Estimated Ship Date: Apr 15, 2026 if ordered today

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Alternator Brackets, Water Pump Mount, Bracket Adapter, Aluminum, Natural Finish, Wet or Dry Sump System, Chevy, Gen V LT4, 6.2L, Each

Part Number: HLY-97-254

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Estimated Ship Date: Apr 15, 2026 if ordered today

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Wiring Harnesses, Holley EFI, GM Gen V, GDI Early, Sub-Harness, Direct Injection, Pre-Terminated, 4-pin Fuel Sensor, GM, Early LT Based, Engines, Each

Part Number: HLY-558-220

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Estimated Ship Date: Apr 15, 2026 if ordered today

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Idler Pulleys, Holley, Replacement, Serpentine, Smooth, Black, Composite, 2.75 in. Diameter, for LT4 Accessory Drive Systems, GM, 6.2L, Each

Part Number: HLY-97-242

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Estimated Ship Date: Apr 15, 2026 if ordered today

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Crankshaft Pulleys, Replacement, Serpentine Style, 7.50 in. OD, 6-Groove, Steel, Black, for Mid-Mount Accessory Drive Only, Chevy, 6.5-7.4L, Each

Part Number: HLY-97-318

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Estimated Ship Date: Today

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Boost Controller Components, Holley EFI, Replacement, Solenoid, Service Part, for High Flow, Dual Boost Controller, Each

Part Number: HLY-557-202

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Estimated Ship Date: May 21, 2026 if ordered today

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Fuel System Dampers, Billet Aluminum, Black Anodized, 40-70 psi, -8 AN Female Threads Inlet/Outlet, Standard Range, Each

Part Number: HLY-12-1007

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Estimated Ship Date: Apr 15, 2026 if ordered today

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Crankshaft Pulleys, Replacement, Billet Aluminum, Grooved, SFI Certified, for Mid-Mount Accessory Drive, Gen III, Hemi, Engines, Each

Part Number: HLY-97-359

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Estimated Ship Date: Apr 15, 2026 if ordered today

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Carburetor Components, Main Body, Model 4150, 0-80670, Replacement, 670 cfm, Zinc, Dichromate, Straight-Leg Boost, Gaskets, Brass Air Bleeds, Each

Part Number: HLY-134-348

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 14, 2026 if ordered today

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Throttle Position Sensors, Replacement, Pro-Jection, Multi-Port, 2-barrel, 4-barrel, Each

Part Number: HLY-543-29

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Apr 15, 2026 if ordered today

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THROTTLE ARM,5/16,REMOVABLE, MULTI LG

Part Number: HLY-F105-HIL

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Estimated Ship Date: Today

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Fuel System Dampers, Billet Aluminum, Black Anodized, 40-70 psi, -8 AN Male Threads Inlet/Outlet, Standard Range, Each

Part Number: HLY-12-1003

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 15, 2026 if ordered today

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Light Bulbs, RetroBright, LED, H4, Classic White, 3,000K, High and Low Beam, 3-pin connection, for 4 in. x 6 in. Housing, Rectangular Housing, Each

Part Number: HLY-LFRB12

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Estimated Ship Date: Apr 15, 2026 if ordered today

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Dash Panels, Holley EFI, 7.5 in. Dash Bezel, ABS Plastic, Brushed Aluminum Finish, 12 in. Tall, 21 in. Wide, Trim-to-Fit, Each

Part Number: HLY-553-357

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Estimated Ship Date: Apr 15, 2026 if ordered today

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Dash Panels, Holley EFI, Racepak IQ3 Series, Dash Bezel, ABS Plastic, Black Finish, 12 in. Tall, 21 in. Wide, Trim-to-Fit, Each

Part Number: HLY-553-353

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Estimated Ship Date: Apr 15, 2026 if ordered today

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Fuel Injection System Wiring Harnesses, Holley EFI, Terminator Stealth 2X4, Primary Throttle Body Sub Harness, Pre-Terminated, Plug-and-Play, Each

Part Number: HLY-558-459

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Estimated Ship Date: Apr 15, 2026 if ordered today

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Gauge Wiring Harnesses, Holley EFI, Terminated Wire Harness, for Digital Dash, Each

Part Number: HLY-558-436

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Estimated Ship Date: Apr 15, 2026 if ordered today

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Power Steering Brackets, Aluminum, Natural Finish, Grooved Pulley, Black, for GM LT5 System-Wet Sump, with Long Spacer, Each

Part Number: HLY-97-334

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Estimated Ship Date: Apr 15, 2026 if ordered today

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Water Necks and Thermostat Housings, Replacement, Thermostat/Housing Assembly, GM LT4, Aluminum, 1.50 in. OD, with Mid-Mount Accessory Drive, Each

Part Number: HLY-97-247

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Estimated Ship Date: Apr 15, 2026 if ordered today

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Fuel Tanks, Sniper, 16 Gallon, Stock Replacement, Steel, Galvanized, Silver, Lock Ring included, Chevy, Chevy II, Nova, Each

Part Number: SNE-19-529

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Carburetor Adapters, Open Center, Dominator Carburetor, Square Flange Manifold, 2.250 in. Thick, Kit

Part Number: HLY-17-9

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Estimated Ship Date: Apr 15, 2026 if ordered today

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Coolant Crossovers, LS Steam Vent, Aluminum, Black Fitting, Nylon Braided Hose, Black, 4 AN Size, Kit

Part Number: HLY-26-553

4.75 out of 5 stars ( 4 )

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Ignition Coil Wiring Harnesses, Holley EFI, Gen III Hemi, Coil Harness, Early Style, OE Connectors, for HP, Dominator EFI Systems, Dodge, 5.7L, Each

Part Number: HLY-558-310

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Estimated Ship Date: Apr 15, 2026 if ordered today

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Carburetor Components, Main Body, Model 2300, 0-4412C, Replacement, 500 cfm, Aluminum, Dichromate, Down-Leg Boost, Gaskets, Brass Air Bleeds, Each

Part Number: HLY-134-361

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Estimated Ship Date: Today

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